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September 30, 2008

Vulcan, SPU team up on an $8M swale project to treat stormwater

By KATIE ZEMTSEFF
Journal Staff Reporter

Image courtesty of Zimmer Gunsul Frasca Architects [enlarge]
The Swale on Yale is designed to treat 188 million gallons of stormwater per year from upper Capitol Hill.

When it rains, stormwater flows down Capitol Hill streets, collecting oil, metals and other pollutants, before flowing directly into Puget Sound. In the future, much of that water will be captured and treated in a two-block-long biofiltration swale, thanks to a partnership between Seattle Public Utilities and Vulcan Inc.


 
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